แสดงบทความที่มีป้ายกำกับ History แสดงบทความทั้งหมด
แสดงบทความที่มีป้ายกำกับ History แสดงบทความทั้งหมด

วันเสาร์ที่ 3 มีนาคม พ.ศ. 2555

The History of Korean Pottery

The Koreans have used potteries from 7000 to 8000 years ago. Since ancient times they used to make pottery by firing clay at a heat of 1300 degree Celsius. They produced unique, original and beautiful pottery. They traded extensively with China and adopted manufacturing skills of Celadon.

Korean pottery is healthy and alive due to its good natural disposition. The Korean potters believed in nature and sought to be a part of it. So they lived in deep recesses of mountains to give a natural touch to their wares and used simple colors with liberal techniques for molding the clay prior to making the pottery.

Korean pottery can be studied in terms of three empires. These three empires which present the foundation of Korean ceramic history also reflect the culture of pottery during this era. These three kingdoms are - Silla, Goguryeo and Joseon. The Korean potters produced coarse household goods as well as highly sophisticated statues of imperial figures, guardians, horses, escorts of the dead in mausoleum of kings, as well as nobility.

1. Korean pottery in the Silla era (668 to 935) - the pottery was plain in color, design and silhouette at the time of the unified Silla era. Celadon was the main produce. Gradually in the 14th century Bakeja porcelain wares developed which had vibrant varnish. These were made up of highly refined clay. Bakeja wares were fixed with feldspar and were very cautiously fired in very huge and fresh kilns. Bakeja wares flourished tremendously until the Joseon dynasty came to power.

2. Korean pottery in the Goguryeo era (918 to 1392) - during this epoch some of the best small scale works of ceramics were accomplished in Korea. In this age the potters made foliate designs, key fret, geometric shapes, elliptical panels, stylized fishes and insects, and they started using incised designs from this era. The glazes used, were different shades of Celadon. For stoneware and storage goods they used black and brown glazes.

3. Korean pottery in Joseon dynasty (1392 to 1910) - it can be called the golden era of Korean pottery. The Korean ceramics developed to a great extent and pottery was produced in a large commercial scale for export. The quality of the pottery also improved considerably. They followed the Chinese Ming Dynasty in evolving their improved range of pottery and they are similar in certain aspects to the Chinese wares. Storage pottery, celadon, white porcelain were alike and only with minimal variations either in glazes, designs or weight. Ming influence was also felt in the blue and white matter by using cobalt blue glazes.

After the fall of the Ming dynasty many Chinese potters migrated to Korea and brought colorful and vibrant pottery of special forms which was discarded by the Korean potters who preferred to make simple and less bedecked wares.

Korea exported most of its potteries to Japan and principally from the Busan area. The climbing kilns were exported to a considerable extent.

There were two ways of export- through deal and intended immigration of potters or by the means of invasion and pottery theft.

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วันพฤหัสบดีที่ 15 กันยายน พ.ศ. 2554

How to Completely Erase Your Web Browser History for Internet Security

Why would you want to erase your web browser history? The answer is... to keep prying eyes from seeing where you have been on the Internet. It's like leaving bread crumbs for others to see what you've been up to.

In most instances, this would not be a big issue especially on a home computer. Leaving a trail for others to find the sites you have visited can lead to some Internet security risks.

If hackers access your computer, they can see where you have been. This includes passwords and account information if you neglected to log off the site before you closed the browser window.

To begin erasing your browser history with Firefox:

· Locate the Tools at the top of your browser window and click on it

· Click on Options, then thePrivacy tab

· You now have a few actions you can take. You will see the words "Firefox will" with a field box where you can choose: Remember History, Never Remember History, or Use Custom Settings for History.

The first two choices are self explanatory but the third option gives you more choices. If you Use Custom Settings for History:

· Select Automatically Start Firefox in a Private Browsing Session. This setting will keep your browsing history private. If this isn't what you wish, you can make any other choice you want.

· You can erase your history at any time so if you select the option of having Firefox remember your history for a number of days, you can let Firefox delete the history after that time period, or do it manually or let your antivirus/antispyware program automatically do it for you when you schedule it.

To manually delete your browser history, follow the steps above to go to your Privacy tab

· In the middle of the page click on the link in blue that reads Clear Your Recent History.

· A drop down menu appears and gives you a choice of the time frame for deleting the history. You can select now, today, the last few hours or everything.

Cookies are required for many websites to allow access. Every time you visit a website, cookies are installed on your computer so that you are recognized when you return. It is a very good idea to delete the cookies regularly because again, they are footprints for your Internet activity to be viewed.

Don't worry if you delete cookies and then decide to return to a website because they will be installed again.

Get in the habit of deleting cookies and remove search history often. Your computer will run more efficiently and your Internet security is greatly improved.

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